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Server blades from the inside: The BladeWonk with Gary Thome

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BladeWonk offers an insiders' perspective on the wild world of server blades. As the fastest growing segment of the server market, blades are a driving force behind the evolution of the way today's IT infrastructures are built and managed. From inside the techno guts of the new HP BladeSystem to the customer frontlines, I'll share the real-story behind blades, bust a few myths along the way and show you why blades matter to your business
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» The Age of Cargo-Cult Computing?

During WWII, pacific islands were used as staging grounds for aircraft and cargo. Natives attempted to duplicate the airplanes, landing strips, and even headphones, using wood and straw as basic materials. Known as cargo cults, their duplicates were very close in form to the things they were copying, though obviously lacked the function and substance as they did not understand the basics for how these things worked. The term cargo cult has since been used to describe any imitation that mimics the superficials of the real thing but lacks the substance. Which brings me to Dell’s Project Hybrid and their blades strategy.

In May, Dell showed a sneak-peak of their forthcoming blades. Superficially, they look remarkably similar to the HP BladeSystem c-class and they even use similar words and phrases to describe their future product. Of course the success of BladeSystem has not been based on the shape of the enclosure, but the substance of the value it brings to customers.

Dell has been publicly trying to mis-characterize our “blade everything” strategy as “blade only” despite the obvious fact that HP continues to sell many non-blade servers, storage, and networking products. Of course our actual goal of blading everything is to enable IT infrastructure to be bladed. In their public statements trying to distance themselves from a “blade everything” strategy, Dell states they believe power and cooling along with simplicity are reasons to avoid blades altogether. Which makes me wonder if they really understand the substance of what BladeSystem c-class delivers, since these are some of the very reasons customers select BladeSystem c-class, not avoid it!

For instance, 16 HP Blades takes comparable or less power, and just as crucial, considerably less cooling than 10 similarly configured 1U servers, meaning that generally speaking c-class blades are actually friendlier for data centers than rack-mount servers. In fact, one customer decided to switch to c-class in lieu of building a new data center. Yet Dell insists that blades may force customers to upgrade their data centers or even buy new ones.

Dell has also made an unusual argument that blades increase customer complexity. Once again, reducing complexity is precisely one of the reasons customers adopt BladeSystem. With installation in seconds (including complete rack-level integration as a factory option), provisioning in hours or even minutes without the need to pull in network, storage, and facilities expertise, and management locally and remotely, and a common user experience for managing all elements (which is consistent with ProLiant rack mount servers too), customers frequently find c-class just plain simpler.

Dell may be able to mimic the shape of a box, but their statements make me wonder if they actually understand what makes blades better.

Posted by Gary Thome on Tuesday, July 24, 2007 5:41 PM
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Comments for The Age of Cargo-Cult Computing?

Re: The Age of Cargo-Cult Computing?

I am interested to know how the VirtualConnect technology of the c-Class compares to what Dell claims for its latest PowerEdge blade offering. I make a living on knowing the difference and would like to hear your thoughts on the matter.

Posted by RobLanning on 7/29/2007 7:03 PM
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Re: The Age of Cargo-Cult Computing?

Hello Rob.

Gary Thome is on vacation this week.  

Since I sit across the hall from him, I guess I have to collect his mail and his blog comments too. ;-)

On the Dell announcements; Gary would likely say the biggest difference is that HP Virtual Connect ships today
and Dell's promised technologies don't.  We don't usually speculate on non-shipping technologies but I can tell you 
that since we started shipping Virtual Connect with HP BladeSystems, every major vendor has come out promising something "similar".  

It's really impossible for us to comment on Dell's blade or virtual connect announcements until they deliver something.  

Ultimately, we will have to wait and see what others do. Clearly, Dell is working overtime to convince folks they
will do many of the same things we have been doing for the past year with the HP BladeSystem c-Class. 

Keep in mind, we're not standing still with BladeSystem or Virtual Connect either so we will see who can keep up and who can't.

Check back next monday and I'll see if Gary has anything to add specific to Virtual Connect.

Jason Newton; HP

Posted by newtonja on 7/30/2007 4:50 PM
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Re: The Age of Cargo-Cult Computing?

Gary, I was pleased to see that you picked up on my recent Direct2Dell post because I think it’s important for us and the IT community at large to continue openly discussing when blades make sense for customers. The “blade everything” mantra has created some confusion among customers so I was happy to read that you don’t necessarily believe that they should “blade everything.” As you pointed out, HP does continue to sell “many non-blade servers, storage, and networking products.” I would assume that you subscribe to my belief that blades are indeed an option, not necessarily a mandate. I thought it was interesting you suggested that maybe Dell doesn’t get what “makes blades better.” Of course we do and that’s why we offer them. But I also know that blades should only be implemented when they make sense. That requires a thorough assessment of customers’ business objectives, as well as existing IT environments. I’ve seen, as I’m sure you have as well, cases where customers simply could not deliver the type of power, the amount of power or the level of cooling needed to handle blade density in their current environments. In these cases, blade benefits can be eliminated altogether by the additional infrastructure costs required to adopt a “blade everything” approach. In cases where delivering power and cooling are not issues, blades can offer customers fantastic reductions in power and complexity, as you pointed out in your post. Rob: With regards to Dell’s next generation blades, my compadres at Dell will strangle me if I disclose too much here, but I will say this: Stay tuned for the most power-efficient blade architecture in the industry. Watch for vastly improved I/O; our cable management approach will be the best in the industry; and virtualization capabilities will be taken to new heights. Trust me, you’ll be able to differentiate them from a c-Class blade. Open dialogue will greatly benefit customers looking to cut through the blade hype so I look forward to continuing this conversation. Glenn Keels

Posted by glennkeels on 7/31/2007 3:19 PM
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Re: The Age of Cargo-Cult Computing?

Well I am indeed still on vacation and this is the only time I will have access to the Internet for the rest of the week. I will keep my comments short for now; I can add more later. Rob, First off, Dell has nothing at all like Virtual Connect in their current servers. If you haven't had a chance to browse our website for more details on Virtual Connect, please do so. Let me tell you that there have been many customers already adopting Virtual Connect and very excited about it. There is nothing like it available in the industry today. And of course we are not standing still. Glenn, I think the differences between HP and Dell is that HP sees a much broader audience for blades applicability. Let me just say that many areas you presume as bad for blades are actually excellent for HP BladeSystem. Perhaps this is why the blades marketshare is where it is.

Posted by Gary Thome on 7/31/2007 11:30 PM
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